package souralven.jcomicreader.ui;

import java.io.File;

import javax.swing.filechooser.FileFilter;

public class FormatFilter extends FileFilter {

	/*
	 * Get the extension of a file.
	 */
	private String getExtension(final File f) {
		String ext = null;
		String s = f.getName();
		int i = s.lastIndexOf('.');

		if (i > 0 && i < s.length() - 1) {
			ext = s.substring(i + 1).toLowerCase();
		}
		return ext;
	}

	@Override
	public String getDescription() {
		return null;
	}

	@Override
	public boolean accept(File f) {
		if (f.isDirectory()) {
			return true;
		}
		String extension = getExtension(f);
		if (extension != null) {
			if (extension.equals("cbz") || extension.equals("cbr")
					//TODO
//					|| extension.equals("pdf")
					) {
				return true;
			}
		}
		return false;
	}
}
